One different calculator app...

This is kinda unusual scientific calculator.

What makes this calculator unusual is that you can see both sides of the current binary operation. For example -- if you type 2 + 2 you'll see exactly "2 + 2" until you press "=". The calculator was made with touch-screen in mind and should be ready for touch-screen chromebooks.

The app is based on the so called “scientific calculators”, which means it comes with many “advanced” functions (trigonometric, logarithmic, exponential, etc.) But the way that calculator works (different than standard calculators and showing both left and right operand at the same time) means that if you have an operation entered (for example: 5 * 6) and tap some unary operation button (for example the square button) the operation will be performed on the second operand (in our example 6 will become 36). All in all this calculator app will give you little more info for the current/previous calculation but it is still a calculator and not a formula processor or equation machine.

On devices with keyboard you can use the obvious keys: number keys, dot (floating point), +, -, *, /, Enter (=), ESC (C) and Backspace. The advanced ("scientific") functions are not yet accessible with keyboard shortcuts (but better keyboard support is planned for the next releases).

The initial goal of this calculator was to be a real-life example of jQuery Mobile (and it worked as such) but somehow, with the time, more calculations were added and it became full-featured scientific calculator. It is, however, still work in progress, so let me know if you find a bug, if some calculation isn't working or if you want to see new feature added.

Basic Calculations:

As one would expect, the “usual suspects” are all here:

- addition (+), subtraction (-), multiplication (*), division (/)

- exponent (Power) operators (3 buttons for power calculation: ^2, ^3 and ^x)

- square root, cube root and general root calculator

- round, round$ and integer buttons

- two ways to do percentage calculations

Of course, here are the good old memory buttons (M+, M-, MR, MC) and you can use the copy/paste functionality too (that’s why the calculator requires copy/paste permissions)

Finally, the scientific calculations supported are:

- sin, sinh, asin

- cos, cosh, acos

- tan, tanh, atan

- cot, coth, acot

- sec, sech, asec

- log10, logN

- ln

- exp

- some constants…

Radians and degrees calculations supported.

Options:

Scientific or not, a calculator needs to be convenient and nice to look at. To make this one better, we added 3 different “themes” for you too choose from. You can change the design theme from the options page. Select between black or white calculator and the original “3d buttons” calculator. (Just click the “options” link at the bottom-right of the calculator popup and select the respective theme from the list)

Other versions of Melanto calculator

The same calculator is available in 3 different versions: this app (adding calculator icon to the apps page and opening the calculator in its own browser tab), as chrome extension (added to the main toolbar) and as “desktop” app (opens the calculator in separate window, simulating desktop app). Here are the other two versions:

Calculator Extension:

https://chrome.google.com/webstore/detail/melanto-calculator/olhcajgllkpacioibcjiniefblpmpech?utm_source=chrome-ntp-icon

“Desktop” Calculator:

https://chrome.google.com/webstore/detail/calculator/inhhlmhdllknkepmabbkhnlbaddllabl

All the 3 versions come with the same calculationn engine but I couldn’t create one single to address all the 3 ways of use because Chrome doesn’t allow apps to add icon to the toolbar (so we need the extension), while extension can’t add icon to the apps page (so we need an app) and then, at some moment Chrome offered the “packaged apps” option and I made the “desktop” version for those who want it in separate window, acting as separate app…

DISCLAIMER OF WARRANTIES:

MELANTO CALCULATOR IS PROVIDED “AS IS” AND WITHOUT WARRANTY OF ANY KIND

www.melanto.com

版本 4.0.0.0 上次更新日期 2017年11月14日 大小 637KiB 语言 支持1
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