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reactos/rosapps/roscalc/docs/Help.en/how_to_input_numbers.htm

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New version of calc written by Carlo Bramini (carlo(dot)bramix AT libero.it) Better than the one we currently have. For now in rosapps, so we can test it, if it's all working fine, we should replace the wine one. Changes by me: use pow() instead of cbrt(), as cbrt doesn't work in our tree. I imported the whole codebase, although the mpfr files are not used. I moved the localizations to "lang" and the icons to "res" subfolder. svn path=/trunk/; revision=31512
2007-12-31 05:51:52 +00:00
<html>
<head>
<title>HOW TO INPUT NUMBERS</title>
</head>
<body>
<h2 style="margin-top: 0; margin-bottom: 0">HOW TO INPUT NUMBERS</h2>
<p style="margin-top: 0; margin-bottom: 0">&nbsp;</p>
<p style="margin-top: 0; margin-bottom: 0">The ReactOS Calc provides some buttons for typing numbers and expressions.</p>
<p style="margin-top: 0; margin-bottom: 0">However, some of them are available only into Standard or Scientific modes, or when the calculator is in a specific state.</p>
<p style="margin-top: 0; margin-bottom: 0">&nbsp;</p>
<p style="margin-top: 0; margin-bottom: 0">&nbsp;</p>
<p style="margin-top: 0; margin-bottom: 0"><img border="0" src="images/0.PNG" width="36" height="28">
<img border="0" src="images/1.PNG" width="36" height="28"> <img border="0" src="images/2.PNG" width="36" height="28">
<img border="0" src="images/3.PNG" width="36" height="28"> <img border="0" src="images/4.PNG" width="36" height="28"></p>
<p style="margin-top: 0; margin-bottom: 0"><img border="0" src="images/5.PNG" width="36" height="28">
<img border="0" src="images/6.PNG" width="36" height="28"> <img border="0" src="images/7.PNG" width="36" height="28">
<img border="0" src="images/8.PNG" width="36" height="28"> <img border="0" src="images/9.PNG" width="36" height="28"></p>
<p style="margin-top: 0; margin-bottom: 0"><u>Digit buttons</u>: they are used for entering digits into the display.</p>
<p style="margin-top: 0; margin-bottom: 0">&nbsp;</p>
<p style="margin-top: 0; margin-bottom: 0"><img border="0" src="images/A.PNG" width="36" height="28">
<img border="0" src="images/B.PNG" width="36" height="28"> <img border="0" src="images/C.PNG" width="36" height="28">
<img border="0" src="images/D.PNG" width="36" height="28"> <img border="0" src="images/E.PNG" width="36" height="28">
<img border="0" src="images/F.PNG" width="36" height="28"></p>
<p style="margin-top: 0; margin-bottom: 0"><u>Hexadecimal buttons</u>: they are used for completing an hex number.</p>
<p style="margin-top: 0; margin-bottom: 0">For using these buttons, the calculator must be configured into scientific mode and the [HEX] state must be selected.</p>
<p style="margin-top: 0; margin-bottom: 0">&nbsp;</p>
<p style="margin-top: 0; margin-bottom: 0"><img border="0" src="images/dot1.PNG">
or <img border="0" src="images/dot2.PNG">
</p>
<p style="margin-top: 0; margin-bottom: 0"><u>
Decimal point</u>: used for starting the non integer part of a decimal number.
</p>
<p style="margin-top: 0; margin-bottom: 0">&nbsp;
</p>
<p style="margin-top: 0; margin-bottom: 0"><img border="0" src="images/sign.PNG">
</p>
<p style="margin-top: 0; margin-bottom: 0"><u>
Change sign</u>: if it's pressed after a calculation or when entering the operands, it will change the sign of the number shown into the output display.
</p>
<p style="margin-top: 0; margin-bottom: 0">&nbsp;
</p>
<p style="margin-top: 0; margin-bottom: 0"><img border="0" src="images/back.PNG">
</p>
<p style="margin-top: 0; margin-bottom: 0">
If the displayed number has been entered manually and it isn't a result of a calculation,
you can delete the last digit by pressing this button.
</p>
<p style="margin-top: 0; margin-bottom: 0">&nbsp;
</p>
<p style="margin-top: 0; margin-bottom: 0"><img border="0" src="images/CE.PNG">
</p>
<p style="margin-top: 0; margin-bottom: 0">
This button removes an incorrect number from the output display. All pending
operations are preserved.
</p>
<p style="margin-top: 0; margin-bottom: 0">&nbsp;
</p>
<p style="margin-top: 0; margin-bottom: 0"><img border="0" src="images/CC.PNG">
</p>
<p style="margin-top: 0; margin-bottom: 0">
It clears the output display and all pending operations.
</p>
<p style="margin-top: 0; margin-bottom: 0">&nbsp;
</p>
</body>
</html>
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