Comments (1)
chriskonnertz
commented on June 2, 2024
Hello,
this is not a problem of the library but a general PHP problem. Actually not just that,it is more of a general programming of programming languages.
This topic has been covered in the README.md in the "General notes" section:
Internally this library uses PHP's mathematical constants, operators and functions to calculate the term.
Therefore - as a rule of thumb - please transfer your knowledge about mathematics in PHP to the mathematics
in StringCalc. This is also true about PHP's problems with floating point precision.
For example(0.1 + 0.7) * 10is not 8 nor 8.0 but 7.9999999999999991118… in PHP in general and in StringCalc as well.
from string-calc.
Related Issues (15)
- Wrong calculations HOT 4
- Adding custom symbols doesn't work (internal symbol container issue) HOT 4
- Singleton pattern implementation incorrect
- [Question] Does it use default php float math or decimal math, when operating on floats? HOT 2
- [Improve] use token_get_all instead of tokenize method HOT 2
- unary operators inside functions don't work HOT 7
- Logical operators HOT 1
- [Enhancement] Add more test calculations HOT 1
- Is it possible to add custom functions? HOT 1
- Problem calcul simple sum HOT 2
- Using x as * (multiplication) HOT 1
- Modulo HOT 5
- Percentage calculations HOT 2
- Division by 0 HOT 1
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from string-calc.