**Product Specifications:**
**Brand:** CASIO
**Model:** fx-991CNCW
**Features:**
- Reliable and stylish design
- Suitable for students and professionals
- 60th anniversary edition
- Built-in 10 applications
- Nearly 500 calculation functions
- Ideal for university and high school exams
- Recommended for national competitions
- Solar-powered with LR44 button battery
**Functions:**
- Complex calculations
- Statistics
- Function tables
- Matrices
- Vectors
- Equations and inequalities
**Display:**
- Chinese language support
- Mathematical expressions displayed in Chinese
**Accessories:**
- Warranty card x1
- User manual x1
**Packaging Contents:**
- Calculator x1
- A4 printing paper
**Dimensions:**
- Length: 7mrm
- Width: 10.7mm
**Compatibility:**
- A4 paper size
**Additional Information:**
- Suitable for various mathematical calculations
- Convenient for exams and competitions
**Packaging:**
- Front and back view of physical packaging
**Comparison:**
- Parameters compared for user reference
<style>.ssd-module-wrap{position:relative;margin:0 auto;width:750px;text-align:left;background-color:#fff}.ssd-module-wrap .ssd-module,.ssd-module-wrap .ssd-module-heading{width:750px;position:relative;overflow:hidden}.ssd-module-wrap .ssd-floor-activity{max-height:380px;overflow:hidden}.ssd-module-wrap .ssd-floor-shopPrior{max-height:900px;overflow:hidden}.ssd-module-wrap .ssd-floor-authorize{max-height:300px;overflow:hidden}.ssd-module-wrap .ssd-floor-reminder{max-height:4000px;overflow:hidden}.ssd-module-wrap .ssd-module{background-repeat:no-repeat;background-position:left top;background-size:100% 100%}.ssd-module-wrap .ssd-module-heading{background-repeat:no-repeat;background-position:left center;background-size:100% 100%}.ssd-module-wrap .ssd-module-heading .ssd-module-heading-layout{display:inline-block}.ssd-module-wrap .ssd-module-heading .ssd-widget-heading-ch{float:left;display:inline-block;margin:0 6px 0 15px;height:100%}.ssd-module-wrap .ssd-module-heading .ssd-widget-heading-en{float:left;display:inline-block;margin:0 15px 0 6px;height:100%}.ssd-module-wrap .ssd-widget-circle,.ssd-module-wrap .ssd-widget-line,.ssd-module-wrap .ssd-widget-pic,.ssd-module-wrap .ssd-widget-rectangle,.ssd-module-wrap .ssd-widget-table,.ssd-module-wrap .ssd-widget-text,.ssd-module-wrap .ssd-widget-triangle{position:absolute;overflow:hidden}.ssd-module-wrap .ssd-widget-rectangle{box-sizing:border-box;-moz-box-sizing:border-box;-webkit-box-sizing:border-box}.ssd-module-wrap .ssd-widget-triangle svg{width:100%;height:100%}.ssd-module-wrap .ssd-widget-table table{width:100%;height:100%}.ssd-module-wrap .ssd-widget-table td{position:relative;white-space:pre-line;word-break:break-all}.ssd-module-wrap .ssd-widget-pic img{display:block;width:100%;height:100%}.ssd-module-wrap .ssd-widget-text{line-height:1.5;word-break:break-all}.ssd-module-wrap .ssd-widget-text span{display:block;overflow:hidden;width:100%;height:100%;padding:0;margin:0;word-break:break-all;word-wrap:break-word;white-space:normal}.ssd-module-wrap .ssd-widget-link{position:absolute;left:0;top:0;width:100%;height:100%;background:0 0;z-index:100}.ssd-module-wrap .ssd-cell-text{position:absolute;top:0;left:0;right:0;width:100%;height:100%;overflow:auto}.ssd-module-wrap .ssd-show{display:block}.ssd-module-wrap .ssd-hide{display:none}.ssd-module-wrap .M17491869935761{width:750px; background-color:#f2f2f2; background-size:100% 100%; background-image:url(http://img30.360buyimg.com/sku/jfs/t1/289389/40/5796/311860/68af62d1Fbd003d5e/a335fdd7c53830b2.png); height:346px}
.ssd-module-wrap .W17491869935761I0{rotate:0; z-index:0; color:#000000; font-weight:normal; letter-spacing:0px; text-decoration:none; font-size:14px; line-height:1.5; font-style:normal; background-color:transparent; top:0px; left:0px; width:779px; font-family:microsoft yahei; height:350px}
.ssd-module-wrap .M16945759679451{width:750px; background-color:#cbcbcb; background-size:100% 100%; ; height:707px}
.ssd-module-wrap .M16798925413081{width:750px; background-color:#d7d7d7; background-size:100% 100%; background-image:url(http://img30.360buyimg.com/sku/jfs/t1/341623/26/3403/106404/68c6b033Fdb564748/c2f921ce41da9afb.png); height:1506px}
.ssd-module-wrap .W17259582272351{rotate:0; z-index:0; color:#000000; font-weight:normal; letter-spacing:0px; text-decoration:none; font-size:14px; line-height:1.5; font-style:normal; background-color:transparent; top:1457px; left:187px; width:582px; font-family:microsoft yahei; height:91px}
.ssd-module-wrap .M16798925418152{width:750px; background-color:#f2f2f2; background-size:100% 100%; ; height:1505px}
.ssd-module-wrap .M16798925423013{width:750px; background-color:#b3b3b3; background-size:100% 100%; ; height:1506px}
.ssd-module-wrap .M16798925430354{width:750px; background-color:#e9e9e9; background-size:100% 100%; ; height:1505px}
.ssd-module-wrap .M16798925433665{width:750px; background-color:#cbcbcb; background-size:100% 100%; background-image:url(http://img30.360buyimg.com/sku/jfs/t1/333852/37/13195/95319/68c6b07fFd0586c3f/c8b9d89d8a9fab75.png); height:1506px}
.ssd-module-wrap .M16798925440826{width:750px; background-color:#f2f2f2; background-size:100% 100%; ; height:1505px}
.ssd-module-wrap .M16798925447487{width:750px; background-color:#d7d7d7; background-size:100% 100%; ; height:1506px}
.ssd-module-wrap .M16798925454508{width:750px; background-color:#cbcbcb; background-size:100% 100%; ; height:1505px}
.ssd-module-wrap .M16798925460999{width:750px; background-color:#cbcbcb; background-size:100% 100%; background-image:url(http://img30.360buyimg.com/sku/jfs/t1/341646/22/3395/75778/68c6b0bfF8fecb26b/a92a71f797daffb9.png); height:1506px}
.ssd-module-wrap .M167989254656911{width:750px; background-color:#d7d7d7; background-size:100% 100%; background-image:url(http://img30.360buyimg.com/sku/jfs/t1/327410/20/19890/66181/68c6b0e1F2409c0a8/1eecdd062b5a6aa3.png); height:1505px}
.ssd-module-wrap .M167989254713212{width:750px; background-color:#f2f2f2; background-size:100% 100%; ; height:1506px}
.ssd-module-wrap .M17411567519711{width:750px; background-color:#cbcbcb; background-size:100% 100%; ; height:1136px}
</style>