Basic Calculator

Subject Areas

Tools / Misc

bCalc

drag-N-drop

scrnGC2: Calc Input

scrnGC3: f(x) Plot Input

scrnGC4: g(x) Plot Input

The inputs above will be hidden when the program finally gets launched. Currently, I am not hiding them even when you close the calculator. The purpose of the inputs is to help in debugging. This allows you to enter simple code on the calculator screen but the program translates the input to javascript math. Give it a try and see if you notice any obvious problems or have suggestions for improvements.

gCalc

drag-N-drop

Select precision* of answer:

Select angle mode:

Enter expression to evaluate here:

The answer is shown below:

Enter function to be plotted:

f(x) =

Enter 2nd function, if needed:

g(x) =

Change or reset the x-y scaling below:

x_min =

x_max =

y_min =

y_max =

Accuracy Disclaimer

The javascript math object methods used for this calculator are not accurate for very large or very small numbers. In particular, the trigonometric functions may yield very small answers that should actually be zero or very large answers that should be infinite. This typically occurs at 90° or pi/2 intervals.

DO NOT USE WHERE HIGH PRECISION IS REQUIRED. USE AT YOUR OWN RISK.

(Close Window)

Basic Calculator

Click on the smaller of the two calculator icons at the left to reveal a basic calculator to do simple computations. It should appear as shown below.

The keys and/or keyboard may be used to enter numbers and parenthesis on the display. The square root key (√) will return the square root of whatever is on the display. The % key will change your result to percent. The 1/x key will take the reciprical of the number shown. The equal key will compute whatever you have entered.

The (C) or clear key clears the calculator display. You must clear the display between calculations unless it is your intent to chain computations.

Note that you can drag and drop this calculator any place on the screen. If you no longer need it, you can close it by clicking on the 'X' in the upper right had corner.