PTCB& PTCE Exam 2026

Thermodynamics Calculator lite

Calculate thermodynamic properties and formulas

V PUGAZHENTHI

Reference

Provides tools for calculating Carnot efficiency, Eckert number, emissivity coefficient, energy efficiency, and energy/work conversion.

Learn Botany and Zoology

With AI coach

Pollmine.Com

Reference

Through bite-sized videos, quizzes, and an AI-driven coach. Access chapters on Entrepreneurship, MBA, Accounting, and more. Set weekly study goals and track progress with interactive content.

Chinese Hanzi

隆军 刘

Reference

《汉语字典》 is a standard Simplified Chinese dictionary application with a simple interface, fast search, and practical content. It's your best language partner for daily study and work.

unicode symbols: glyfs

Foyer Objet Inc.

Reference

glyfs is a carefully designed app centered around the concept of micro typography, which is all about improving the readability and appearance of typed text.

Units Converters.

Convert across 60 categories

V PUGAZHENTHI

Reference

Convert across 60 categories with 1327 and 53742 conversions. Switch between acceleration, angle, area, and other measurements. Convert cooking , electrical values, and data transfer speeds. Adjust for charge, density, and current.

E-Discovery App

Search, review, and manage electronic evidence

Reed Smith LLP

Reference

Reference provides access to -discovery resources, including legal guidance, case law, and practices. Users can search for documents, download whitepapers, and connect with industry professionals.

Tree Identifier - TreeBarkId

Snap photos, identify trees, get results

Siham Aater Taleb

Reference

Identify species by photographing bark, leaves, or overall shape. Use AI to recognize and display details. Access information on characteristics, habitat, and care. Save and share identification results.

Seamanship

Calculated Industries, Inc.

Reference

Information and procedures every boater needs to know. Seamanship is the U.S.

Air Brakes Test Lite

Webrich Software Limited

Reference

Pass your written test for commercial driver license (CDL) with Air Brakes Endorsement using your iPhone/iPod Touch.

Eye Test: Vision & Color Blind

Test with Golovin tables

Hai Nam Trinh

Reference

Perform tests using Golovin Sivtsev tables and Ishihara plates. Complete eye speed exercises with a matching game. Adjust test distance based on screen size for accurate results.

Pack Magik

Nathaniel Gerdes

Reference

Pack Magik – Collecting, Grading & Investing in Pokémon Cards, Evolved, Collect smarter. Grade with confidence. Invest with clarity. Pack Magik is the ultimate all-in-one app for Pokémon TCG collectors, investors, and players.

古代汉语词典-词语辨析/语法与虚词/古籍解字词

Look up ancient Chinese words and phrases

Shanghai Haidi Digital Publishing Technology Co., Ltd.

Reference

Ancient Chinese dictionary provides detailed entries with pronunciation, word type, definitions, examples, translations, and comparisons. Includes over 32,000 entries, standard handwriting animations, and references from classical texts.

Slang Dictionary

Look up terms and examples

Sharpened Productions

Reference

Look up terms with definitions, examples, and usage info. Search or browse the full database. View popularity ratings and daily updated content.

Pathfinder Strong Honor Finder

Search honors, requirements, and patches in one

Shawn Kohltfarber

Reference

View honors, regional requirements, and patch designs in one place. Search for specific honors quickly. Track progress and access all information needed for activities.

Watch Scanner & Identifier

Identify watches with AI analysis

Lucas den Otter

Reference

Identify watches by uploading photos. AI analyzes brand, model, year, and unique features. Instantly recognize thousands of types. Provides detailed identification with precision.

jBible (Библия)

Vladimir Vlasov

Reference

Версия программы jBible для телефонов iPhone и плееров iPod Touch. Обеспечивает: отображение текста Библии, быстрый и простой переход к выбранной книге, главе, стиху, работу с закладками (сделать закладку, перейти к закладке, удалить закладку), поиск, история, карты.