diff --git a/src/app/(calculators)/calculate/[section]/[id]/renderCalc.tsx b/src/app/(calculators)/calculate/[section]/[id]/renderCalc.tsx
index 9cfd27e..4c4500c 100644
--- a/src/app/(calculators)/calculate/[section]/[id]/renderCalc.tsx
+++ b/src/app/(calculators)/calculate/[section]/[id]/renderCalc.tsx
@@ -35,9 +35,9 @@ export default function RenderCalculator({section, id} : {section:string, id:str
                 <p className="text-gray-500 mt-1 max-w-xl">
                     {calculator?.desc}
                 </p>
-                <h1 className="text-1xl font-semibold">
+                {calculator?.unit ? <h1 className="text-1xl font-semibold">
                     Unit of the value:- {calculator?.unit}
-                </h1>
+                </h1> : null}
             </div>
             <div className="max-w-2xl">
                 <form onSubmit={(e: React.SubmitEvent) => {
diff --git a/src/app/(calculators)/layout.tsx b/src/app/(calculators)/layout.tsx
index ee519e3..cdb4466 100644
--- a/src/app/(calculators)/layout.tsx
+++ b/src/app/(calculators)/layout.tsx
@@ -1,5 +1,5 @@
 import LayoutClient from "./layoutClient";
-import { Roboto } from "next/font/google";
+
 export default function CalculatorsLayout({children} : {children:React.ReactNode}){
     return(
         <>
diff --git a/src/app/layout.tsx b/src/app/layout.tsx
index f1d8007..e3b529a 100644
--- a/src/app/layout.tsx
+++ b/src/app/layout.tsx
@@ -3,8 +3,8 @@ import "./globals.css";
 import 'animate.css';
 
 export const metadata: Metadata = {
-  title: "Create Next App",
-  description: "Generated by create next app",
+  title: "CalcForCardiac",
+  description: "A zero friction and zero login medical calculator made by Saksham Vitwekar (SomeTroller77)",
 };
 
 export default function RootLayout({
diff --git a/src/app/utils/Input.tsx b/src/app/utils/Input.tsx
index e63cf21..f4c3385 100644
--- a/src/app/utils/Input.tsx
+++ b/src/app/utils/Input.tsx
@@ -56,12 +56,28 @@ export default function InputComponent({id, type, inputOptions, min, max, requir
                         <option value="" disabled hidden>{placeholder}</option>
                         {inputOptions?.map(e => {
                             return(
-                                <option key={e.label} value={e.value}>{e.value}</option>
+                                <option key={e.label} value={e.value}>{e.label}</option>
                             )
                         })}
                     </select>
                 {/* <span className="label text-red-400">Optional</span> */}
             </fieldset>
         )
+    }else if(type === "checkbox"){
+        return(
+            <fieldset className="fieldset bg-white bg-base-100 border border-base-300 rounded-box w-full min-w-0 p-2">
+                <legend className="fieldset-legend text-black">{name}</legend>
+                <label className="label flex gap-3 items-start w-full">
+                    <input type="checkbox" 
+                    className="checkbox checkbox-neutral border-solid border-black mt-1 shrink-0"
+                    onChange={(e) => {
+                        handleDataChange !== undefined ? handleDataChange(id, e.target.checked) : null;
+                    }} />
+                    <span className="text-sm break-words whitespace-normal">
+                        {placeholder}
+                    </span>
+                </label>
+            </fieldset>
+        )
     }
 }
\ No newline at end of file
diff --git a/src/app/utils/calculators/registry.ts b/src/app/utils/calculators/registry.ts
index 5accbc0..7d9e7b4 100644
--- a/src/app/utils/calculators/registry.ts
+++ b/src/app/utils/calculators/registry.ts
@@ -1,7 +1,17 @@
 import { cockcroftGault } from "./miscellaneous/cockcroft-gault-eq";
+import { IMPACT } from "./transplantation/IMPACT";
 import { Section } from "./types";
 
 export const CalculatorRegistry : Record<string, Section> = {
+    transplantation:{
+        id:"transplantation",
+        displayName:"Transplantation",
+        textColor:"#ccc",
+        svg:"",
+        calculators:[
+            IMPACT
+        ]
+    },
     miscellaneous:{
         id:"miscellaneous",
         displayName:"Miscellaneous",
diff --git a/src/app/utils/calculators/transplantation/IMPACT.ts b/src/app/utils/calculators/transplantation/IMPACT.ts
new file mode 100644
index 0000000..5b9d6ce
--- /dev/null
+++ b/src/app/utils/calculators/transplantation/IMPACT.ts
@@ -0,0 +1,262 @@
+import { Calculator, Input, Interpretation, Values } from "../types";
+
+const parameters : Input[] = [
+    {
+        id:"age",
+        name:"Age",
+        placeholder:"Enter age",
+        type:"number",
+        min:0,
+        required:true,
+    },
+    {
+        id:"sbilirubin",
+        name:"Serum Bilirubin",
+        placeholder:"Enter the serum bilirubin value in mg/dL",
+        type:"number",
+        defaultUnit:"mg/dL",
+        required:true
+    },
+    {
+        id:"crcl",
+        name:"Creatinine Clearance (CrCl)",
+        placeholder:"Enter the CrCl value in mL/min",
+        type:"number",
+        defaultUnit:"mL/min",
+        required:true
+    },
+    {
+        id:"dialysisStatus",
+        name:"Dialysis Requirement",
+        placeholder:"Whether Dialysis was done between listing and transplantation",
+        type:"checkbox",
+        required:true
+    },
+    {
+        id:"gender",
+        name:"Gender",
+        placeholder:"Select Gender",
+        type:"select",
+        required:true,
+        inputOptions:[
+            {
+                label:"Male",
+                value:"male"
+            },
+            {
+                label:"Female",
+                value:"female"
+            }
+        ]
+    },
+    {
+        id:"causeOfHF",
+        name:"Heart Failure Etiology",
+        placeholder:"Cause of Heart Failure",
+        type:"select",
+        required:true,
+        inputOptions:[
+            {
+                label:"Idiopathic",
+                value:"idiopathic"
+            },
+            {
+                label:"Ischemic",
+                value:"ischemic"
+            },
+            {
+                label:"Congenital",
+                value:"congenital"
+            },
+            {
+                label:"Other",
+                value:"other"
+            }
+        ]
+    },
+    {
+        id:"recentInfection",
+        name:"Recent Infection Status",
+        placeholder:"Whether the patient had a recent infection",
+        type:"checkbox"
+    },
+    {
+        id:"aorticBalloonPump",
+        name:"Intra-Aortic Balloon Pump",
+        placeholder:"Whether Intra-Aortic Balloon Pump was implanted",
+        type:"checkbox"
+    },
+    {
+        id:"preTransplantMechVent",
+        name:"Mechanical Ventilation",
+        placeholder:"whether Mechanical Ventilation was done pre-transplant",
+        type:"checkbox"
+    },
+    {
+        id:"race",
+        name:"Race",
+        placeholder:"Select the Race of the patient",
+        type:"select",
+        required:true,
+        inputOptions:[
+            {
+                label:"Caucasian",
+                value:"caucasian"
+            },
+            {
+                label:"African American",
+                value:"african-american"
+            },
+            {
+                label:"Hispanic",
+                value:"hispanic"
+            },
+            {
+                label:"Other",
+                value:"other"
+            }
+        ]
+    },
+    {
+        id:"tempCircSupp",
+        name:"Temporary Circulation Support",
+        placeholder:"Whether temporary circulation support was needed (includes ECMO and e-VADs)",
+        type:"checkbox"
+    },
+    {
+        id:"VAD",
+        name:"Ventricular Assist Device",
+        placeholder:"Select the Ventricular Assist Device used",
+        type:"select",
+        required:true,
+        inputOptions:[
+            {
+                label:"None used",
+                value:"none"
+            },
+            {
+                label:"Older-Generation Pulsatile",
+                value:"older-generation"
+            },
+            {
+                label:"Newer-Generation continuous",
+                value:"newer-generation"
+            },
+            {
+                label:"HeartMate II",
+                value:"heartmateii"
+            }
+        ]
+    }
+]
+
+export const IMPACT:Calculator = {
+    id:"impact-score",
+    name:"IMPACT (Index for Mortality Prediction After Cardiac Transplantation",
+    desc:"IMPACT score is a risk assessment tool used to predict 1-year mortality following a Heart Transplantation based on 12 parameters (including renal function, liver function, age)",
+    inputs:parameters,
+    calc_func:(values : Values):number => {
+        const age = values.age as number;
+        const sbilirubin = values.sbilirubin as number;
+        const crcl = values.crcl as number;
+        const dialysisStatus = values.dialysisStatus as boolean;
+        const gender = values.gender as "male" | "female";
+        const causeOfHF = values.causeOfHF as "idiopathic" | "ischemic" | "congenital" | "others";
+        const recentInfection = values.recentInfection as boolean;
+        const aorticBalloonPump = values.aorticBalloonPump as boolean;
+        const preTransplantMechVent = values.preTransplantMechVent as boolean;
+        const race = values.race as "caucasian" | "african-american" | "hispanic" | "other";
+        const tempCircSupp = values.tempCircSupp as boolean;
+        const VAD = values.VAD as "none" | "older-generation" | "newer-generation" | "heartmateii";
+        var score = 0;
+        console.log(preTransplantMechVent);
+        if(age > 60){
+            score += 3;
+        }
+        if(sbilirubin > 0 && sbilirubin < 1){
+            score += 0;
+        }else if(sbilirubin >= 1 && sbilirubin < 2){
+            score += 1;
+        }else if(sbilirubin >= 2 && sbilirubin < 4){
+            score += 3;
+        }else{
+            score += 4;
+        }
+        if(crcl >= 50){
+            score += 0;
+        }else if(crcl < 50 && crcl > 30){
+            score += 2;
+        }else{
+            score += 5;
+        }
+        if(dialysisStatus){
+            score += 4;
+        }
+        if(gender === "female"){
+            score += 3;
+        }
+        if(causeOfHF === "idiopathic"){
+            score += 0;
+        }else if(causeOfHF === "ischemic"){
+            score += 2;
+        }else if(causeOfHF === "congenital"){
+            score += 5;
+        }else{
+            score += 1;
+        }
+        if(recentInfection){
+            score += 3;
+        }
+        if(aorticBalloonPump){
+            score += 3;
+        }
+        if(preTransplantMechVent){
+            score += 5;
+        }
+        if(race === "caucasian" || race === "other" || race === "hispanic"){
+            score += 0;
+        }else{
+            score += 3;
+        }
+        if(tempCircSupp){
+            console.log("ran temp")
+            score += 7;
+        }
+        if(VAD === "none" || VAD === "heartmateii"){
+            score += 0;
+        }else if(VAD === "older-generation"){
+            score += 3;
+        }else{
+            score += 5;
+        }
+        return score;
+    },
+    interpret_func:(score : number):Interpretation => {
+        if(score >= 0 && score < 5){
+            return {
+                level:"none",
+                message:"The rate of mortality for the patient is really low"
+            }
+        }else if(score >= 5 && score < 10){
+            return {
+                level:"low",
+                message:"The rate of mortality for the patient is low"
+            }
+        }else if(score >= 10 && score < 15){
+            return {
+                level:"moderate",
+                message:"The rate of mortality for the patient is moderate"
+            }
+        }else if(score >= 15 && score < 20){
+            return {
+                level:"high",
+                message:"The rate of mortality for the patient is high"
+            }
+        }else{
+            return {
+                level:"severe",
+                message:"The rate of mortality for the patient is severe"
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/app/utils/calculators/types.ts b/src/app/utils/calculators/types.ts
index 83cf535..1b9114b 100644
--- a/src/app/utils/calculators/types.ts
+++ b/src/app/utils/calculators/types.ts
@@ -15,8 +15,8 @@ interface inputOptions {
 export interface Input{
     id:string,
     name:string,
-    placeholder:string,
-    type: "number" | "text" | "select",
+    placeholder?:string,
+    type: "number" | "text" | "select" | "checkbox",
     inputOptions?:inputOptions[],
     min?:number,
     max?:number,
@@ -40,4 +40,4 @@ export interface Section {
     calculators:Calculator[]
 }
 
-export type Values = Record<string, string | number >;
+export type Values = Record<string, string | number | boolean >;