diff --git a/Problems/Problem.ts b/Problems/Problem.ts
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index 0000000..48ae6ad
--- /dev/null
+++ b/Problems/Problem.ts
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+//ProjectEulerTS/Problems/Problem.ts
+//Matthew Ellison
+// Created: 10-18-20
+//Modified: 10-18-20
+//What is the sum of all the multiples of 3 or 5 that are less than 1000
+//Unless otherwise listed all non-standard includes are my own creation and available from https://bibucket.org/Mattrixwv/typescriptClasses
+/*
+ Copyright (C) 2020 Matthew Ellison
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with this program. If not, see .
+*/
+
+import { Stopwatch } from "../../../Typescript/typescriptClasses/Stopwatch";
+import { Unsolved } from "../Unsolved";
+
+
+export abstract class Problem{
+ //Variables
+ private description: string;
+ protected timer: Stopwatch = new Stopwatch();
+ protected solved: boolean;
+
+ //Constructor
+ public constructor(description: string){
+ this.description = description;
+ this.solved = false;
+ }
+ //Gets
+ getDescription(){
+ return this.description;
+ }
+ //Returns the result of solving the problem
+ public abstract getResult(): string;
+ //Returns the time taken to run the problem as a string
+ public getTime(): string{
+ if(!this.solved){
+ throw new Unsolved();
+ }
+ return this.timer.getStr();
+ }
+ //Returns the timer as a stopwatch
+ public getTimer(): Stopwatch{
+ if(!this.solved){
+ throw new Unsolved();
+ }
+ return this.timer;
+ }
+ //Solve the problem
+ public abstract solve(): void;
+ //Reset the problem so it can be run again
+ public reset(): void{
+ this.timer.reset();
+ this.solved = false;
+ }
+}
\ No newline at end of file
diff --git a/Problems/Problem1.ts b/Problems/Problem1.ts
new file mode 100644
index 0000000..fca6ce4
--- /dev/null
+++ b/Problems/Problem1.ts
@@ -0,0 +1,90 @@
+//ProjectEulerTS/Problems/Problem1.ts
+//Matthew Ellison
+// Created: 10-18-20
+//Modified: 10-18-20
+//What is the sum of all the multiples of 3 or 5 that are less than 1000
+//Unless otherwise listed all non-standard includes are my own creation and available from https://bibucket.org/Mattrixwv/typescriptClasses
+/*
+ Copyright (C) 2020 Matthew Ellison
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with this program. If not, see .
+*/
+
+
+import { Unsolved } from "../Unsolved";
+import {Problem} from "./Problem";
+
+export class Problem1 extends Problem{
+ //Variables
+ //Static variables
+ private static TOP_NUM = 999; //THe largest number to be checked
+ //Instance variables
+ private fullSum: number = 0; //The sum of all the numbers
+
+ //Functions
+ //Constructor
+ public constructor(){
+ super(`What is the sum of all the multiples of 3 or 5 that are less than ${Problem1.TOP_NUM + 1}?`);
+ }
+ //Operational functions
+ //Solve the problem
+ public solve(): void{
+ //If the problem has already been solved do nothing and end the function
+ if(this.solved){
+ return;
+ }
+
+ //Start the timer
+ this.timer.start();
+
+ for(var num: number = 1;num < 1000;++num){
+ if((num % 3) == 0){
+ this.fullSum += num;
+ }
+ else if((num % 5) == 0){
+ this.fullSum += num;
+ }
+ }
+
+ //Stop the timer
+ this.timer.stop();
+
+ //Throw a flag to show the problem is solved
+ this.solved = true;
+ }
+ //Reset the problem so it can be run again
+ public reset(): void{
+ super.reset();
+ this.fullSum = 0;
+ }
+ //Gets
+ //Returns the result of solving the problem
+ public getResult(): string{
+ if(!this.solved){
+ throw new Unsolved();
+ }
+ return `The sum of all numbers < ${Problem1.TOP_NUM + 1} is ${this.fullSum}`;
+ }
+ //Returns the requested sum
+ public getSum(): number{
+ if(!this.solved){
+ throw new Unsolved();
+ }
+ return this.fullSum;
+ }
+}
+
+/* Results:
+
+*/
diff --git a/Unsolved.ts b/Unsolved.ts
new file mode 100644
index 0000000..af57c10
--- /dev/null
+++ b/Unsolved.ts
@@ -0,0 +1,35 @@
+//ProjectEulerTS/Unsolved.ts
+//Matthew Ellison
+// Created: 10-18-20
+//Modified: 10-18-20
+//What is the sum of all the multiples of 3 or 5 that are less than 1000
+//Unless otherwise listed all non-standard includes are my own creation and available from https://bibucket.org/Mattrixwv/typescriptClasses
+/*
+ Copyright (C) 2020 Matthew Ellison
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with this program. If not, see .
+*/
+
+
+export class Unsolved{
+ private message: string;
+ public constructor(message?: string){
+ if(message){
+ this.message = message;
+ }
+ }
+ public getMessage(){
+ return this.message;
+ }
+}