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Real constants and functions: Difference between revisions

Real constants and functions (view source)

Revision as of 02:25, 27 May 2021

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→‎{{header|Phix}}: added syntax colouring the hard way
m (→‎{{header|Phix}}: added syntax colouring the hard way)
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=={{header|Phix}}==
<!--<lang Phix>?E (phixonline)-- Euler number>
<span style="color: #0000FF;">?</span><span style="color: #004600;">E</span> <span style="color: #000080;font-style:italic;">-- Euler number</span>
?PI -- pi
<span style="color: #0000FF;">?</span><span style="color: #004600;">PI</span> <span style="color: #000080;font-style:italic;">-- pi</span>
?log(E) -- natural logarithm
<span style="color: #0000FF;">?</span><span style="color: #7060A8;">log</span><span style="color: #0000FF;">(</span><span style="color: #004600;">E</span><span style="color: #0000FF;">)</span> <span style="color: #000080;font-style:italic;">-- natural logarithm</span>
?log10(10) -- base 10 logarithm
<span style="color: #0000FF;">?</span><span style="color: #7060A8;">log10</span><span style="color: #0000FF;">(</span><span style="color: #000000;">10</span><span style="color: #0000FF;">)</span> <span style="color: #000080;font-style:italic;">-- base 10 logarithm</span>
?exp(log(5)) -- exponential
<span style="color: #0000FF;">?</span><span style="color: #7060A8;">exp</span><span style="color: #0000FF;">(</span><span style="color: #7060A8;">log</span><span style="color: #0000FF;">(</span><span style="color: #000000;">5</span><span style="color: #0000FF;">))</span> <span style="color: #000080;font-style:italic;">-- exponential</span>
?sqrt(5) -- square root
<span style="color: #0000FF;">?</span><span style="color: #7060A8;">sqrt</span><span style="color: #0000FF;">(</span><span style="color: #000000;">5</span><span style="color: #0000FF;">)</span> <span style="color: #000080;font-style:italic;">-- square root</span>
?abs(-1.2) -- absolute value
<span style="color: #0000FF;">?</span><span style="color: #7060A8;">abs</span><span style="color: #0000FF;">(-</span><span style="color: #000000;">1.2</span><span style="color: #0000FF;">)</span> <span style="color: #000080;font-style:italic;">-- absolute value</span>
?floor(-1.2) -- floor, -2
<span style="color: #0000FF;">?</span><span style="color: #7060A8;">floor</span><span style="color: #0000FF;">(-</span><span style="color: #000000;">1.2</span><span style="color: #0000FF;">)</span> <span style="color: #000080;font-style:italic;">-- floor, -2</span>
?ceil(-1.2) -- ceiling, -1
<span style="color: #0000FF;">?</span><span style="color: #7060A8;">ceil</span><span style="color: #0000FF;">(-</span><span style="color: #000000;">1.2</span><span style="color: #0000FF;">)</span> <span style="color: #000080;font-style:italic;">-- ceiling, -1</span>
?round(-1.8) -- rounded, -2
<span style="color: #0000FF;">?</span><span style="color: #7060A8;">round</span><span style="color: #0000FF;">(-</span><span style="color: #000000;">1.8</span><span style="color: #0000FF;">)</span> <span style="color: #000080;font-style:italic;">-- rounded, -2</span>
?trunc(-1.8) -- truncate, -1
<span style="color: #0000FF;">?</span><span style="color: #7060A8;">trunc</span><span style="color: #0000FF;">(-</span><span style="color: #000000;">1.8</span><span style="color: #0000FF;">)</span> <span style="color: #000080;font-style:italic;">-- truncate, -1</span>
?power(E,log(5)) -- displays 5.0
<span style="color: #0000FF;">?</span><span style="color: #7060A8;">power</span><span style="color: #0000FF;">(</span><span style="color: #004600;">E</span><span style="color: #0000FF;">,</span><span style="color: #7060A8;">log</span><span style="color: #0000FF;">(</span><span style="color: #000000;">5</span><span style="color: #0000FF;">))</span> <span style="color: #000080;font-style:italic;">-- displays 5.0</span>
?power(10,log10(5)) -- displays 5.0
<span style="color: #0000FF;">?</span><span style="color: #7060A8;">power</span><span style="color: #0000FF;">(</span><span style="color: #000000;">10</span><span style="color: #0000FF;">,</span><span style="color: #7060A8;">log10</span><span style="color: #0000FF;">(</span><span style="color: #000000;">5</span><span style="color: #0000FF;">))</span> <span style="color: #000080;font-style:italic;">-- displays 5.0</span>
?INVLN10 -- displays 0.434..
<span style="color: #0000FF;">?</span><span style="color: #004600;">INVLN10</span> <span style="color: #000080;font-style:italic;">-- displays 0.434..</span>
?exp(1/INVLN10) -- displays 10.0</lang>
<span style="color: #0000FF;">?</span><span style="color: #7060A8;">exp</span><span style="color: #0000FF;">(</span><span style="color: #000000;">1</span><span style="color: #0000FF;">/</span><span style="color: #004600;">INVLN10</span><span style="color: #0000FF;">)</span> <span style="color: #000080;font-style:italic;">-- displays 10.0</span>
<!--</lang>-->
 
=={{header|PHP}}==
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