Material Estimator Calculator vs ROATEE 991ES Scientific Calculator with Erasable Writing Tablet
Overall winner: Material Estimator Calculator
Key Differences
Calculated Industries' Material Estimator is specialized for building materials with unit conversions and project storage and has a higher average rating (4.70) indicating stronger user satisfaction; ROATEE's 991ES is a feature-rich scientific calculator that adds a writing tablet but has more mixed reports on battery life and slightly lower rating (4.40). Choose the Material Estimator if you need construction-focused features and accuracy from tape inputs; choose the ROATEE 991ES if you want a scientific calculator with an integrated writing tablet
Material Estimator Calculator
Calculates building material costs and measurements with unit conversions. Ideal for DIYs, contractors and estimators; supports feet, inches, fractions, yards, meters, square and cubic formats. Customers value its accuracy and versatility for measurements from a measuring tape
Pros
- multi-unit input and conversion
- stores material quantities for estimating
- supports custom tile size
- accurate measurements and conversions
Cons
- some users feel it is cheaply constructed
ROATEE 991ES Scientific Calculator with Erasable Writing Tablet
ROATEE 991ES scientific calculator with a writing tablet for notes, solar-powered for school use. Users report good quality and ease of use, with mixed feedback on battery life and functionality
Pros
- good build quality
- user-friendly interface
- writing tablet feature
- suitable for math and science topics
Cons
- mixed battery life feedback
- some say functionality issues
- buttons receive mixed reviews
Head-to-Head
| Criteria | Winner |
|---|---|
| Price | Tie |
| Durability | Calculated Industries |
| Versatility | Calculated Industries |
| User Reviews | Calculated Industries |