diff --git a/.DS_Store b/.DS_Store
new file mode 100644
index 0000000..b784151
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diff --git a/scientficStyles.css b/scientficStyles.css
new file mode 100644
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--- /dev/null
+++ b/scientficStyles.css
@@ -0,0 +1,112 @@
+
+.calc-container {
+ margin: center;
+ display: grid;
+ justify-content: center;
+ align-content: center;
+ align-items: center;
+ min-height: 10vh;
+}
+
+.calc-grid {
+ height: 500px;
+ width: 970px;
+ background-color: white;
+ padding: 22px, 24px, 24px, 25px;
+ border: 1px solid lightgrey;
+ border-radius: 10px;
+}
+
+.standard-scientific-btn span {
+ font-size: 20px;
+}
+
+#standard {
+ margin-left: 20px;
+ margin-right: 5px;
+}
+
+#scientific {
+ margin-left: 9px;
+}
+
+a:hover {
+ color: blue;
+ }
+
+.display {
+ width: 887px;
+ height: 30px;
+ border: 1px solid lightgray;
+ border-radius: 10px;
+ text-align: right;
+ font-size: 30px;
+ padding: 20px;
+ justify-content: center;
+ margin-top: 10px;
+ margin-bottom: 20px;
+ margin-left: 20px;
+ margin-right: 20px;
+}
+
+button {
+ width: 122px;
+ height: 54px;
+ font-size: 20px;
+ margin-right: 9px;
+ margin-bottom: 12px;
+ border-radius: 10px;
+ border: .5px solid #f1f3f4;
+ background-color: #f1f3f4;
+}
+
+.rad-deg {
+ width: 255px;
+ height: 54px;
+ font-size: 20px;
+ margin-right: 9px;
+ margin-left: 20px;
+ margin-bottom: 12px;
+ border-radius: 10px;
+ border: .5px solid #f1f3f4;
+ background-color: #f1f3f4;
+}
+
+.rad-button {
+ margin-right: 30px;
+}
+
+.deg-button {
+ margin-left: 40px;
+}
+
+#darker-gray {
+ background-color: rgb(160, 160, 160);
+}
+
+.row2-1 {
+ margin-left: 20px;
+}
+
+.row3-1 {
+ margin-left: 20px;
+}
+
+.row4-1 {
+ margin-left: 20px;
+}
+
+.row5-1 {
+ margin-left: 20px;
+}
+
+.stick {
+ font-size: 24px;
+ font-weight: bold;
+ color: lightgray;
+}
+
+.row5-6 {
+ background-color: rgb(28, 112, 209);
+ color: white;
+}
diff --git a/scientific.html b/scientific.html
new file mode 100644
index 0000000..0e66002
--- /dev/null
+++ b/scientific.html
@@ -0,0 +1,92 @@
+
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+ Calculator
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\ No newline at end of file
diff --git a/standard.html b/standard.html
new file mode 100644
index 0000000..173d3d4
--- /dev/null
+++ b/standard.html
@@ -0,0 +1,79 @@
+
+
+
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+
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+
+ Calculator
+
+
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diff --git a/standard.js b/standard.js
new file mode 100644
index 0000000..a6428cc
--- /dev/null
+++ b/standard.js
@@ -0,0 +1,63 @@
+class Calculator {
+ constructor(previousOperandTextElement, currentOperandTextElement) {
+ this.previousOperandTextElement = previousOperandTextElement
+ this.currentOperandTextElement = currentOperandTextElement
+ }
+
+ clear() {
+ this.currentOperand = ''
+ this.previousOperand = ''
+ this.operation = undefined
+ }
+
+ delete() {
+
+ }
+
+ appendNumber(number) {
+ this.currentOperand = number
+ }
+
+ chooseOperation(operation) {
+ if (this.currentOperand === '') return
+ if (this.previousOperand !== '') {
+ this.compute()
+ }
+ this.operation = operation
+ this.previousOperand = this.currentOperand
+ this.currentOperand = ''
+ }
+
+ compute() {
+
+ }
+
+ updateDisplay() {
+ this.currentOperandTextElement.innerText = this.currentOperand
+ this.previousOperandTextElement= this.previousOperand
+ }
+}
+
+
+const numberButtons = document.querySelectorAll('[data-number]')
+const operationButtons = document.querySelectorAll('[data-operation]')
+const equalsButton = document.querySelector('[data-equals]')
+const allClearButton = document.querySelector('[data-all-clear]')
+const previousOperandTextElement = document.querySelector('[data-previous-operand]')
+const currentOperandTextElement = document.querySelector('[data-current-operand]')
+
+const calculator = new Calculator(previousOperandTextElement, currentOperandTextElement)
+
+numberButtons.forEach(button => {
+ button.addEventListener('click', () => {
+ calculator.appendNumber(button.innerText)
+ calculator.updateDisplay()
+ })
+})
+
+operationButtons.forEach(button => {
+ button.addEventListener('click', () => {
+ calculator.chooseOperation(button.innerText)
+ calculator.updateDisplay()
+ })
+})
\ No newline at end of file
diff --git a/standardStyles.css b/standardStyles.css
new file mode 100644
index 0000000..633c391
--- /dev/null
+++ b/standardStyles.css
@@ -0,0 +1,106 @@
+
+.calc-container {
+ margin: center;
+ display: grid;
+ justify-content: center;
+ align-content: center;
+ align-items: center;
+ min-height: 10vh;
+}
+
+.calc-grid {
+ height: 500px;
+ width: 580px;
+ background-color: white;
+ padding: 22px, 24px, 24px, 25px;
+ border: 1px solid lightgrey;
+ border-radius: 10px;
+}
+
+.standard-scientific-btn {
+ margin-top: 10px;
+}
+
+.standard-scientific-btn span {
+ font-size: 20px;
+}
+
+#standard {
+ margin-left: 20px;
+ margin-right: 5px;
+}
+
+#scientific {
+ margin-left: 9px;
+}
+
+a:hover {
+ color: blue;
+}
+
+
+
+.display {
+ width: 485px;
+ height: 30px;
+ border: 1px solid lightgray;
+ border-radius: 10px;
+ text-align: right;
+ font-size: 30px;
+ padding: 20px;
+ justify-content: center;
+ margin-top: 10px;
+ margin-bottom: 20px;
+ margin-left: 20px;
+ margin-right: 20px;
+}
+
+button {
+ width: 122px;
+ height: 54px;
+ font-size: 20px;
+ margin-right: 9px;
+ margin-bottom: 12px;
+ border-radius: 10px;
+ border: .5px solid #f1f3f4;
+ background-color: #f1f3f4;
+ justify-content: center;
+}
+
+.row1 {
+ margin-left: 20px;
+ margin-right: 20px;
+}
+
+.row2 {
+ margin-left: 20px;
+ margin-right: 20px;
+}
+
+.row3 {
+ margin-left: 20px;
+ margin-right: 20px;
+}
+
+.row4 {
+ margin-left: 20px;
+ margin-right: 20px;
+}
+
+.row5 {
+ margin-left: 20px;
+ margin-right: 20px;
+}
+
+.row5-2 {
+ font-weight: bold;
+}
+
+.row5-3 {
+ background-color: rgb(28, 112, 209);
+ color: white;
+}
+
+#darker-gray {
+ background-color: rgb(160, 160, 160);
+}
\ No newline at end of file