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6 Μαρ 2010 · You can use "f-strings" (f for "formatted string literals"), the short format style from Python v3.6 on: f'{1.234:.1f}' Out: '1.2' Or, as a test: f'{1.234:.1f}' == '1.2' Out: True By the way, you can also use this with variables. x = 1.234 f'{x:.1f} and {x:.2f} and {x}' Out: '1.2 and 1.23 and 1.234'
Answer recommended by PHP Collective. You can use number_format (): return number_format((float)$number, 2, '.', ''); Example: $foo = "105"; echo number_format((float)$foo, 2, '.', ''); // Outputs -> 105.00.
Floating point numbers have limited precision. Although it depends on the system, PHP typically uses the IEEE 754 double precision format, which will give a maximum relative error due to rounding in the order of 1.11e-16.
23 Δεκ 2018 · num_decimal_places = 7 # from user input. '%.%sf' % (20, '7') How could I do something like the above? python-3.x. edited Dec 23, 2018 at 2:18. asked Dec 23, 2018 at 2:10. David542. 109k 193 538 943. 2 Answers. Sorted by: 3. If version of python greater or equals to 3.6: print(f'%.{num_decimal_places}f'%value) Output: 20.2839280.
13 Μαΐ 2016 · You can use number_format to format the number to a fixed-width format, then use rtrim twice to remove trailing zeroes, and dot. rtrim(rtrim(number_format($number, 3, '.', ','), '0'), '.') Starting from the last character, rtrim removes it while it is one of those given.
25 Απρ 2020 · 1. The size of a float is platform-dependent, although a maximum of approximately 1.8e308 with a precision of roughly 14 decimal digits is a common value (the 64 bit IEEE format). See more about floating points number. An example about floating point numbers you can read here https://floating-point-gui.de. answered Apr 25, 2020 at 22:15.
2 Φεβ 2024 · This article introduces how to show a number to two decimal places in PHP. It includes number_format() function, round() function and sprintf() function
