试题库 vs Standard Notation Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
试题库
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试题库APP是一款将海量优质学习资源与实用学习功能有机融合的学习软件。考试库涵盖英语类、计算机类、考研类、公务员类、财经类、司法类、医学类、工程类、专升本类、自考类、职业资格类、实用职业技能类等热门考试科目,提供名师精讲教学视频、历年真题/模拟题等优质学习资源。试题库还提供课程学练、模拟自测专项练习、学习进展、错题记录、错题组卷、智能考试等学习功能,为您日常学习与复习备考提供一站式服务。
Standard Notation Calculator
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Standard Notation calculators are used to make counting easier of very large and very small numbers. A standard notation calculator is mathematical tool that helps students solving the mathematical calculations that are in scientific notation. Solving such operations and calculations manually is very difficult for students and all those people not having mathematical background. For this very purpose, standard notation calculators are developed to avoid unnecessary stress. This standard notation calculator app is for all those students and peoples who are searching for a reliable app on the app store. Using such app for solving mathematical expression saves your lot of time in lengthy calculations. Also, the chances of getting wrong answers are pretty high while solving standard notation calculations manually. So, get install this app on your device . This app is; • Very easy to use • Give accurate answers • Provide fast results Both terms, standard notation, standard form, and scientific notation are the same. The numbers are usually written in their expanded form such as 2008900 but the same number when converted into standard notation, will be expressed in the power of ten. We can say that standard notation is a method of writing very large and very small numbers in the power of ten. For instance, the same number 2008900, when written in standard form, will become 2.009x10+6. The power of the calculation result or calculation depends on the number, if it is too small such as 0.0908, then in standard notation, we will move the decimal point to the right direction and its standard notation will be 9.080 x 10-2. Converting a small value into standard notation involves moving the decimal point to the right, the power of ten will be negative. On the other hand, dealing with very large numbers, the power of ten will be positive. This free standard notation app is very beneficial for every student while converting numbers in standard notation. How to use this app? Just install this app on your smartphone . 1. Enter any function that you want to convert in standard notation in its provided input field. 2. Press ‘’ convert’. 3. The calculated results will show on your screen. 4. This app provide results in three different forms. • Scientific notation • Exponential notation • Engineering notation 5. Pressing on the ''reset'' button clear the results You can also download the result in pdf form
Screenshots
Verdict
The clearest difference is update cadence: 试题库 at every 3 months against Standard Notation Calculator's every 9 months. Standard Notation Calculator's advantage is iOS requirement (10.0 vs 17). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
试题库 ships an update every 3 months, Standard Notation Calculator every 9 months. The most recent releases landed on September 13, 2026 and May 16, 2026 respectively.
| Parameter | 试题库 | Standard Notation Calculator |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months — better | Every 9 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 17 | 10.0 — better |
| Further details — not scored | ||
| Size | 18 MB | 28 MB |
| Age rating | 17+ | 4+ |
| Developer | 中科软股教育科技(北京)股份有限公司 | Ahmad Sattar |
In-app purchases
试题库
No in-app purchases
Standard Notation Calculator
No in-app purchases








