Free Online Standard Calculator

Standard, easy and convenient free online calculator

Our Simple Calculator is the perfect tool designed for your convenience. Whether you're tackling tasks at work, school assignments, or managing personal finances, our calculator is here to assist you. From simple math financial calculations like interest rates and loan estimations, as well as cost assessments for projects and utilities, we've got you covered. You can input commands effortlessly using either your mouse or digital keyboard. For detailed instructions on how to make the most out of our calculator, please refer below.

Instructions for using the free simple online calculator

This basic online calculator is similar to a small handheld calculator and has the standard four functions for addition, subtraction, division and multiplication. Like most 4-function calculators it also includes keys for percent and square. This basic calculator offers these functions:

• % : Percent: use displayed value to calculate a percentage
• CE : Clear Entry: clear current display value
• C : All Clear: clear all and start a new operation
• m+ : Memory Plus: add displayed value to memory
• m- : Memory Minus: subtract displayed value from memory
• mr : Memory Recall: display the memory value
• +/- : Plus/Minus: change the sign of the displayed value from positive to negative or vice versa
• x² : Square: square the displayed value and display it
• √ : Square Root: take the square root of the displayed value and display it
• 1/x : Plus/Minus: change the sign of the displayed value from positive to negative or vice versa