Key facts
- Brand
- HP
- Model
- 40G
- Category
- Other Electronics
- Documents
- 5
- Languages
- EN
- Last added
- 2026-10-07
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HP 40gs Graphing Calculator User Manual
This manual covers all aspects of the HP 40gs graphing calculator, from basic on/off and menu navigation to advanced Computer Algebra System (CAS) functions, aplet customization, and programming. It includes detailed sections on each aplet type (Function, Parametric, Polar, Sequence, Solve, Linear Solver, Triangle Solver, Statistics, Inference, Finance Solver) and provides reference information for variables, memory management, and troubleshooting.
The guide also explains how to register the product, reset the device, and access built‑in help resources. Appendices contain a glossary, regulatory notices, and an index for quick reference.
HP 40G specifications
| Display size | 14.0 in (35.6 cm) |
|---|---|
| Display resolution | 1366 × 768 (HD) and 1920 × 1080 (FHD) |
| Display brightness | 220 nits (HD) / 250 nits (FHD) / 1000 nits (privacy FHD) |
| Operating voltage | 19.0 V dc @ 4.74 A – 90 W or 18.5 V dc @ 3.5 A – 65 W |
| Memory slots | Two DDR4 SODIMM slots, up to 32 GB total |
| Weight (M.2 SSD models) | 1.6 kg (3.53 lb) |
Source: HP ProBook 440 G7 Notebook PC Maintenance and Service Guide
All HP 40G documents by type
Disassembly, diagnostics and part numbers, for repair.
Ratings, dimensions and ordering codes, for selection and design work.
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
How many memory modules can be installed in the ProBook 440 G7?
The notebook has two customer‑accessible memory slots that can hold up to 32 GB of DDR4 RAM.
From: HP ProBook 440 G7 Notebook PC Maintenance and Service Guide
What are the power requirements for the ProBook 440 G7?
It operates at 19.0 V dc @ 4.74 A (90 W) or 18.5 V dc @ 3.5 A (65 W).
From: HP ProBook 440 G7 Notebook PC Maintenance and Service Guide
What operating system does the EliteBook 840 G8 support?
It ships with Windows 10 Pro for business.
What warranty options are available for the EliteBook 840 G8?
HP offers a 1‑year limited warranty with optional 3‑year extensions.
How can I reset the HP 40gs calculator?
Use the Reset command described in the manual under section R‑1.
Where do I register my HP 40gs calculator?
You can register the product at www.register.hp.com.