S-Calc
S-Calc: A Windows-focused scientific calculator with reusable functions, constants, and history. Ranked #31 of 32 in Scientific Calculator Apps by our editors (5.5/10); pricing: Paid; best for windows users needing reusable scientific functions.
At a glance
- Editor score5.5 / 10
- PricingPaid
- Best forWindows users needing reusable scientific functions
- Free planNo
- Paid from3,950 JPY one-time
- Platform supportDesktop
- Facts checked28 Sep 2026
Where it wins
- Reuses saved calculation history, custom functions, and constants
- Supports complex numbers, permutations, and combinations
- Full edition adds periodic-table data for calculations
Where it doesn't
- Available for Windows only
- Periodic-table feature requires the Full edition
- Paid editions may not suit users seeking a free plan
Our verdict on S-Calc
S-Calc is a Windows desktop scientific calculator for students, educators, researchers, and technical professionals who want more than basic arithmetic. It evaluates scientific expressions, including trigonometric and logarithmic functions, and supports complex-number operations, permutations, and combinations. Its practical distinction is the ability to retain work for reuse: calculation history is automatically saved, while custom functions and physical or mathematical constants can be registered and recalled. That makes it a fit for people who return to recurring calculations, rather than those who need a calculator across multiple operating systems.
The two editions share the core workflow. Lite includes basic calculations, saved constants, custom functions, and calculation history. Full includes those Lite features and adds a periodic-table feature with element data that can be used in calculations. According to the current product page, Lite is ¥2,000 and Full is ¥3,950; the vendor describes a trial limited to 20 calculations. The listed prices are license-style amounts, so buyers should check the product page for current purchase terms. The paid structure is straightforward if the periodic table matters, but Lite already contains the reusable calculation tools that define the product.
S-Calc is narrowly focused on Windows desktop use, with email as its listed support channel. That keeps its appeal specific: choose it if reusable scientific functions, saved history, constants, or complex-number work are central to your Windows workflow, and consider Full if element data would help. It is less suitable for people who need a mobile or cross-platform calculator, or who require a free plan. Its concentrated feature set may be more relevant than broad ecosystem coverage for an individual or small-workgroup use case, but it is not positioned as a general multi-platform calculator.
S-Calc pricing
All 2 S-Calc plans and prices →
S-Calc fact sheet
| Free plan | No |
|---|---|
| Paid from | 3,950 JPY one-time |
| Platform support | Desktop |
| Equation solving | Not verified |
| Statistics tools | Not verified |
| Programmable functions | Yes |
| Complex numbers | Yes |
| Offline mode | Not verified |
| Matrix operations | Not verified |
| Deployment | Desktop |
| Platforms | Windows |
| Support | |
| Built for | Solo, Small business (editorial estimate) |
| Pricing | Paid (source) |
| Website | itechem.jp |
| Facts checked | 28 Sep 2026 |
Alternatives to S-Calc
- Wolfram|AlphaBroad computational answers across math, science and more, with paid step-by-step help.9.3
- GeoGebraA broad, visual math toolkit for learners, with graphing, algebra practice, and classroom tools.9.1
- Desmos Scientific CalculatorA focused web calculator for scientific functions, lists, variables, and complex numbers.8.8
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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