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A simplified photovoltaic energy-production estimate

Nucleic-acid folding calculations with explicit constraints

Solar-system ephemeris calculations with documented time spans

Instrument-specific observing calculations

Depth-of-field and hyperfocal calculations

Editable calculation tapes with comments and recalculation

Optimization models inside Excel worksheets

Optimization modelling languages connected to Excel data

Linked mathematical views for algebra, geometry and graphs

Cloud-service cost estimates with inspectable assumptions

Azure cost scenarios from selected services and usage

Room-mode calculations for rectangular and shaped rooms

Computational algebra and number-theory software

A free online tool that estimates dog breeds from a photo.

High-precision numerical expressions with custom functions

Computational discrete algebra with a specialist language

Pressure-loss calculations with pipe and fitting data

Monthly cost scenarios for planned cloud workloads

Solve and inspect mathematical expressions

Algebra and calculus through dedicated solvers

A graphing-calculator emulator in the browser

High-precision scientific calculation with reusable expressions

Arbitrary-precision arithmetic that keeps track of units

A desktop calculator with recall and configurable precision